The first in-depth look at how the social media platform was manipulated during the 2016 election.

Months after Facebook announced to the public that it sold political ads to Russian actors ahead of the 2016 election, the House Intelligence Committee has published more than 3,500 of those ads—many of which are linked to Russian propaganda group Internet Research Agency.

“Ultimately, by exposing these advertisements, we hope to better protect legitimate political expression and discussions and better safeguard Americans from having their information ecosystem polluted by foreign adversaries,” Adam Schiff, representative and committee member, said in a statement shared by Wired. “We will continue to work with Facebook and other tech companies to expose additional content, advertisements, and information as our investigation progresses.”

This is the closest look to date at how the social media platform was used during the 2016 election. Dive in here.